About the cover

Currently there is a considerable interest in the development of digital communication techniques. This interest is due to the development of distributed processing concepts,1,2,3to changing regulatory policies of the US Government (the Carterfone decision and subsequent FCC rulings), and to the development of large networks.4 One widely used communication technique that has tremendous ...
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The private branch exchange, employing pulse-code modulation and computer-controlled time-division multiplexing, is an increasingly popular tool for enhancing the flexibility and reducing the cost of business telephone operations.
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As most mainframe manufacturers have demonstrated, the logical solution to I/O control problems is to deploy intelligent I/O subsystems. Intel's 8089 brings this capability to microcomputer systems.
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Aims & Scope

Computer, the flagship publication of the IEEE Computer Society, publishes peer-reviewed articles written for and by computer researchers and practitioners representing the full spectrum of computing and information technology, from hardware to software and from emerging research to new applications.